The compressed file contains five folders. AIM folder: A ready to run xml file for BEAST 2 analysis to test an approximate IM model. A log file to summary the results from the AIM analysis performed in our study. And a species tree file generated from our AIM analysis. BPP_gdi_inputs: The three required files for running BPP analyses: sequence file, Imap file, and control file. DIYABC folder: A file contains all the sequences and individual assignments; the file is ready to be imported into DIYABC. A DIYABC folder, which contains all the analyses performed and model comparison and summarized parameter estimates in our study. morphology folder: A folder inside (original_images) that contains all the image files taken for morphological analyses. A spreadsheet contains all the RGB/HSV values measured from the images. A tps file ready for geometric morphometrics analyses. The coordinates were retrieved from the image files. seq_alignments: It contains the sequence alignment files for the six loci used in the study in nexus format.